Mt. St. Helens volcano (USA), activity update: strong ash plume caused by partial dome collapse
mar., 30 mai 2006, 17:13
17:13 PM | AUTEUR : TOM PFEIFFEROn 29 May at 09h08 local time, an ash and gas plume rose to 5-6 km altitude above the new lava dome of Mt. St. Helens. As CVO reports, the event was not caused by explosive activity, but rather intense degassing and a partial collapse of the new lava dome, accompanied by a quake of magnitude 3.1.
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lun., 17 avril 2006, 20:09
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sam., 4 mars 2006, 01:47
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ven., 24 févr. 2006, 20:07
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